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Dear Dinah,
. One of the most difficult decisions regarding a child with vesicoureteral reflux is deciding between medical and surgical management. Spontaneous disappearance of reflux is related to the age of the child and degree of reflux. It has been reported that 63% of grade two, 53% of grade three , and 33% of grade four reflux patients have resolved spontaneously if infection is controlled. Another study showed that in children of growing age that unilateral grade four reflux(what your child has) had spontaneous resolution 61% on the time, where as in bilateral patients resolution occurred in only 9%. Reflux that persists in adolescence or adulthood is unlikely to disappear spontaneously.
The most important issue with children with reflux is preservation of the renal function and allowing for normal and complete growth of both kidneys. This means avoiding infections of the kidneys to prevent harmful scarring. Sometimes patients are placed on longterm prophylactic antibiotic therapy as your son has. These regimens are usually safe as long they are tolerated well by the child. If your child were managed conservatively(medically) periodic follow-up studies must be done to ensure normal scar free growth.
Also a physical exam sure be performed an special inclusion of height and weight parameters and blood pressure measurements. If your sons height and weight parameters drop below the 5th percentile for age, this needs to be addressed by a medical physician. Laboratory studies should include a urinalysis and urine culture at each visit In terms of radiology tests, a IVP or ultrasound should be obtained every 18-24 months. After the initial VCUG has been performed to establish to current grade, a follow-up study should be performed to establish an interval relationship.
On the other hand surgery or reimplantation of the ureters is a very successful procedure. One should expect success rates as high as 95-98% in patients with normal caliber ureters and normal bladders. This drops to 54% when the ureter is markedly dilated which is seen in grade four reflux. The STING procedure involves injecting a bulking agent around the ureteral orifice. These procedures fails due to the lack of durability of the operation. A reimplant would a more durable choice(longer lasting).
There are several schools of thought on wether or not the reflux of sterile urine causes damage to the kidney and alters growth. The decision to proceed either with conservative medical therapy verses surgical therapy will largely be up to your Urologist and how he was trained. I don’t think there is a right or wrong decision however if inadequate follow-up could become an issue, the one time surgical procedure would probably be the safer option.
Since your son has only one kidney and is showing progressive damage I think the safest thing is to do a ureteral reimplant. This is a very successful surgery(>90% success). Also, once the surgery has been performed, you may be able to discontinue the prophylactic antibiotics once the reflux has resolved and prevent any further scarring.
Talk to your Urologist to get his or her perspective, it is important that you and your doctor are on the same team.
This information is provided for general medical educational purposes only. Please consult your physician for diagnostic and treatment options pertaining to your specific medical condition. More individualized care is available at the Henry Ford Hospital and its satellites (1 800 653-6568).
Sincerely,
HFHS M.D.-AK
*keyword:Reflux